/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.lvyh.lightframe.tracer.core.mdc;

import com.lvyh.lightframe.tracer.core.SimpleSpan;
import com.lvyh.lightframe.tracer.core.SimpleSpanContext;
import com.lvyh.lightframe.tracer.core.common.TraceContants;
import io.opentracing.Span;
import org.slf4j.MDC;
/**
 * @author lvyh 2021/06/19.
 */
public class MDCSpanExtension {

    public static void logSpan(Span currentSpan) {
        if (currentSpan != null) {
            SimpleSpan span = (SimpleSpan) currentSpan;
            SimpleSpanContext simpleSpanContext = span.getSimpleSpanContext();
            if (simpleSpanContext != null) {
                MDC.put(TraceContants.MDC_TRACEID, simpleSpanContext.getTraceId());
                MDC.put(TraceContants.MDC_SPANID, simpleSpanContext.getSpanId());
            }
        }
    }

    public static void clear() {
        MDC.remove(TraceContants.MDC_TRACEID);
        MDC.remove(TraceContants.MDC_SPANID);
    }

}